Composite pipe sealing connection structure for ore pulp

By using a combination of sealing plates and flanges at the joints of composite pipes, the problem of wear and grout leakage at the joints of composite pipes is solved, thereby achieving the stability and extending the service life of the pipes.

CN223498965UActive Publication Date: 2025-10-31BAOTOU IRON & STEEL (GROUP) CO LTD
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Patent Information

Application Number
CN202422196521.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-06
Publication Date
2025-10-31
Estimated Expiration
2034-09-06

AI Technical Summary

Technical Problem

Existing composite material pipes cannot achieve a completely flush joint, leading to wear and leakage at the joint, which affects the pipe's lifespan and stability.

Method used

The sealing plate and flange are combined with the first and second composite material layers. The first and second pipe bodies are connected by bolts to ensure that the sides of the sealing plate fit together and the inner ends are flush, so as to avoid the formation of eddies and extend the service life of the pipe.

Benefits of technology

It effectively avoids abnormal wear at pipe joints, extends the overall service life of the pipes, and ensures no grout leakage through sealing gaskets.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223498965U_ABST
    Figure CN223498965U_ABST
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Abstract

The utility model discloses a composite pipe sealing connection structure for ore pulp, which relates to the technical field of mineral processing production and comprises a first pipeline body, a first composite material layer, a first edge sealing side plate, a first flange, a second pipeline body, a second composite material layer, a second edge sealing side plate, a second flange and a plurality of bolts. The bolts are used for penetrating through the first flange and the second flange to fixedly connect the first flange and the second flange, the end faces of the first steel pipe body and the second pipe body can be attached, the side faces of the first edge sealing side plate and the second edge sealing side plate are attached, the inner ends of the first edge sealing side plate and the second edge sealing side plate are flush, the structure is simple, use is convenient, and the overall service life of the pipeline is effectively prolonged.
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Description

Technical Field

[0001] This utility model relates to the field of mineral processing technology, and in particular to a composite pipe sealing connection structure for slurry. Background Technology

[0002] The use of composite material pipes is now widespread in mineral processing. Because composite pipes require high wear resistance, the composite materials are generally high-hardness, wear-resistant materials such as polymetallic materials, cast stone, and ceramics. However, in the use of composite pipes, the joints cannot be perfectly flush, leading to wear and leakage at the joints, which significantly affects the pipe's lifespan and stability. Utility Model Content

[0003] The purpose of this invention is to provide a sealing connection structure for composite pipes used in slurry production, which solves the problems existing in the prior art. The structure is simple, easy to use, and effectively improves the overall service life of the pipeline.

[0004] To achieve the above objectives, this utility model provides the following solution:

[0005] This utility model provides a sealing connection structure for a composite pipe for slurry, comprising: a first pipe body, a first composite material layer, a first sealing edge plate, a first flange, a second pipe body, a second composite material layer, a second sealing edge plate, a second flange, and multiple bolts. The first composite material layer is disposed on the inner side of the first pipe body; the outer end of the first sealing edge plate is welded and fixed to the first pipe body, the inner end of the first sealing edge plate is flush with the inner side of the first composite material layer, and one side of the first sealing edge plate contacts each of the first composite material layers, while the other side is flush with the end face of the first pipe body; the first flange is welded and fixedly connected to the outer side of the first pipe body, and the side of the first flange is flush with the end face of the first pipe body; the second composite material layer is disposed on the inner side of the first pipe body; the outer end of the first sealing edge plate is welded and fixed ... The material layer is disposed on the inner side of the second pipe body; the outer end of the second sealing plate is welded and fixed to the second pipe body, the inner end of the second sealing plate is flush with the inner side of the second composite material layer, and one side of the second sealing plate is in contact with each of the second composite material layers, and the other side is flush with the end face of the second pipe body; the second flange is welded and fixedly connected to the outer side of the second pipe body, and the side of the second flange is flush with the end face of the second pipe body; each of the bolts is used to pass through the first flange and the second flange to fix the first flange and the second flange together, and to enable the end faces of the first pipe body and the second pipe body to fit together, and the side of the first sealing plate fits together with the side of the second sealing plate and the inner end is flush.

[0006] Preferably, it further includes a sealing gasket, which is used to be disposed between the first flange and the second flange.

[0007] Preferably, the first composite material layer includes a first cast stone layer, a first ceramic layer, and a first bimetallic wear-resistant material layer.

[0008] Preferably, the first cast stone layer, the first ceramic layer, and the first bimetallic wear-resistant material layer are arranged sequentially from the inside to the outside.

[0009] Preferably, the second composite material layer includes a second cast stone layer, a second ceramic layer, and a second bimetallic wear-resistant material layer.

[0010] Preferably, the second cast stone layer, the second ceramic layer, and the second bimetallic wear-resistant material layer are arranged sequentially from the inside to the outside.

[0011] Preferably, the first pipe body is a steel pipe with a wall thickness of 6-10mm, and the second pipe body is a steel pipe with a wall thickness of 6-10mm.

[0012] Preferably, the first edge sealing plate is a Q235 steel plate with a thickness of 8-10mm, and the second edge sealing plate is a Q235 steel plate with a thickness of 8-10mm.

[0013] The present invention achieves the following technical advantages over the prior art:

[0014] The purpose of this utility model is to provide a sealing connection structure for a composite pipe for slurry. The first flange and the second flange are connected by multiple bolts to connect the first pipe body and the second pipe body. After connection, the sides of the first sealing plate and the second sealing plate are close together and the inner ends are flush. When the slurry passes through the pipe, due to the presence of the first sealing plate and the second sealing plate, eddies will not be formed at the pipe flange joint, avoiding abnormal wear at the pipe joint and extending the overall service life of the pipe. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 A schematic diagram of the structure after connection of the composite pipe sealing connection structure for slurry provided by this utility model;

[0017] In the figure: 1. First pipe body; 2. First cast stone layer; 3. First ceramic layer; 4. First bimetallic wear-resistant material layer; 5. First sealing plate; 6. First flange; 7. Bolt; 8. Second sealing plate; 9. Second bimetallic wear-resistant material layer; 10. Second ceramic layer; 11. Second cast stone layer; 12. Second pipe body; 13. Second flange. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] The purpose of this invention is to provide a sealing connection structure for composite pipes used in slurry production, which solves the problems existing in the prior art. The structure is simple, easy to use, and effectively improves the overall service life of the pipeline.

[0020] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0021] This utility model provides a composite pipe sealing connection structure for slurry, such as... Figure 1As shown, the system includes: a first pipe body 1, a first composite material layer, a first sealing plate 5, a first flange 6, a second pipe body 12, a second composite material layer, a second sealing plate 8, a second flange 13, and multiple bolts 7. The first composite material layer is disposed on the inner side of the first pipe body 1. The outer end of the first sealing plate 5 is welded and fixed to the first pipe body 1, and the inner end of the first sealing plate 5 is flush with the inner side of the first composite material layer. One side of the first sealing plate 5 contacts each of the first composite material layers, and the other side is flush with the end face of the first pipe body 1. The first flange 6 is welded and fixed to the outer side of the first pipe body 1, and the side of the first flange 6 is flush with the end face of the first pipe body 1. The second composite material layer is disposed on the inner side of the second pipe body 12. The outer end of the second sealing plate 8 is welded and fixed to the second pipe body 12, and the inner end of the second sealing plate 8 is flush with the inner side of the second composite material layer. One side of the second sealing plate 8 contacts each of the first composite material layers, and the other side is flush with the end face of the first pipe body 1. The first flange 6 is welded and fixed to the outer side of the first pipe body 12, and the side of the second sealing plate 6 is flush with the end face of the first pipe body 12. The second composite material layer is disposed on the inner side of the second pipe body 12. The outer end of the second sealing plate 8 is welded and fixed to the second pipe body 12, and the inner end of the second sealing plate 8 is flush with the inner side of the second composite material layer. One side of the second sealing plate 8 contacts each of the first composite material layers, and the other side is flush with the end face of the first pipe body 12. The first flange 6 is welded and fixed to the outer side of the first pipe body 12, and the other side of the second sealing plate 6 is flush with the end The two composite material layers are in contact, and the other side is flush with the end face of the second pipe body 12; the second flange 13 is welded and fixedly connected to the outside of the second pipe body 12, and the side of the second flange 13 is flush with the end face of the second pipe body 12; each bolt 7 is used to pass through the first flange 6 and the second flange to fix the first flange 6 and the second flange 13, and can make the end faces of the first pipe body and the second pipe body 12 fit together. The side of the first sealing plate 5 fits together with the side of the second sealing plate 8 and the inner end is flush. The first flange 6 and the second flange 13 are connected by multiple bolts 7 to connect the first pipe body 1 and the second pipe body 12. After connection, the side of the first sealing plate 5 and the second sealing plate 8 fit together and the inner end is flush. When the slurry passes through the pipe, due to the presence of the first sealing plate 5 and the second sealing plate 8, eddies will not be formed at the pipe flange joint, avoiding abnormal wear at the pipe joint point and extending the overall service life of the pipe.

[0022] In a preferred embodiment, the composite pipe sealing connection structure for slurry further includes a sealing gasket, which is disposed between the first flange 6 and the second flange 13 to further ensure no slurry leakage.

[0023] In a preferred embodiment, the first composite material layer includes a first cast stone layer 2, a first ceramic layer 3, and a first bimetallic wear-resistant material layer 4.

[0024] In a preferred embodiment, the first cast stone layer 2, the first ceramic layer 3, and the first bimetallic wear-resistant material layer 4 are arranged sequentially from the inside to the outside, which effectively improves the wear resistance.

[0025] In a preferred embodiment, the second composite material layer includes a second cast stone layer 11, a second ceramic layer 10, and a second bimetallic wear-resistant material layer 9.

[0026] In a preferred embodiment, the second cast stone layer 11, the second ceramic layer 10, and the second bimetallic wear-resistant material layer 9 are arranged sequentially from the inside to the outside, effectively improving wear resistance.

[0027] In a preferred embodiment, the first pipe body 1 is a steel pipe with a wall thickness of 6-10mm, and the second pipe body 12 is a steel pipe with a wall thickness of 6-10mm. The structure is simple and the materials are readily available, and the rigidity of the first pipe body 1 and the second pipe body 12 can be effectively guaranteed.

[0028] In a preferred embodiment, the first edge sealing plate 5 is a Q235 steel plate with a thickness of 8-10mm, and the second edge sealing plate 8 is a Q235 steel plate with a thickness of 8-10mm.

[0029] In a preferred embodiment, the weld joints of the first flange 6 and the first pipe body 1 are flattened with an angle grinder, and the weld joints of the first sealing plate 5 and the first pipe body 1 are flattened with an angle grinder, ensuring that the outer surfaces of the first flange 6, the first pipe body 1, and the first sealing plate 5 are flush. The weld joints of the second flange 13 and the second pipe body 12 are flattened with an angle grinder, and the weld joints of the second sealing plate 8 and the second pipe body 12 are flattened with an angle grinder, ensuring that the outer surfaces of the second flange 13, the second pipe body 12, and the second sealing plate 8 are flush.

[0030] This utility model uses specific examples to illustrate its principles and implementation methods. The above description of the embodiments is only for the purpose of helping to understand the method and core idea of ​​this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the idea of ​​this utility model. In summary, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A composite pipe sealing connection structure for slurry, characterized in that: include: First pipeline body, The first composite material layer is disposed on the inner side of the first pipe body; The first sealing edge plate has its outer end welded and fixed to the first pipe body, and its inner end is flush with the inner side of the first composite material layer. One side of the first sealing edge plate is in contact with each of the first composite material layers, and the other side is flush with the end face of the first pipe body. The first flange is welded and fixedly connected to the outside of the first pipe body, and the side of the first flange is flush with the end face of the first pipe body. The second pipe body, The second composite material layer is disposed on the inner side of the second pipe body; The second sealing edge plate has its outer end welded and fixed to the second pipe body, its inner end flush with the inner side of the second composite material layer, and one side of the second sealing edge plate in contact with each of the second composite material layers, and the other side flush with the end face of the second pipe body. The second flange is welded and fixedly connected to the outside of the second pipe body, and the side of the second flange is flush with the end face of the second pipe body. as well as Multiple bolts, each bolt being used to pass through the first flange and the second flange to fix the first flange and the second flange together, and enabling the end faces of the first pipe body and the second pipe body to fit together, the first sealing plate fitting together with the side of the second sealing plate and having its inner ends flush.

2. The composite pipe sealing connection structure for slurry according to claim 1, characterized in that: It also includes a sealing gasket, which is used to be disposed between the first flange and the second flange.

3. The composite pipe sealing connection structure for slurry according to claim 2, characterized in that: The first composite material layer includes a first cast stone layer, a first ceramic layer, and a first bimetallic wear-resistant material layer.

4. The composite pipe sealing connection structure for slurry according to claim 3, characterized in that: The first cast stone layer, the first ceramic layer, and the first bimetallic wear-resistant material layer are arranged sequentially from the inside to the outside.

5. The composite pipe sealing connection structure for slurry according to claim 4, characterized in that: The second composite material layer includes a second cast stone layer, a second ceramic layer, and a second bimetallic wear-resistant material layer.

6. The composite pipe sealing connection structure for slurry according to claim 5, characterized in that: The second cast stone layer, the second ceramic layer, and the second bimetallic wear-resistant material layer are arranged sequentially from the inside to the outside.

7. The composite pipe sealing connection structure for slurry according to claim 1, characterized in that: The first pipe body is a steel pipe with a wall thickness of 6-10mm, and the second pipe body is a steel pipe with a wall thickness of 6-10mm.

8. The composite pipe sealing connection structure for slurry according to claim 1, characterized in that: The first edge sealing plate is a Q235 steel plate with a thickness of 8-10mm, and the second edge sealing plate is a Q235 steel plate with a thickness of 8-10mm.